package main

import "fmt"

func main() {
	s1 := make([]int, 3, 10)
	fmt.Println(s1)

	a := []int{1,2,3,4,5,6,7,8,9}
	sa := a[2:5]
	fmt.Println(sa)

	s2 := []int{1,2,3,4}
	fmt.Println(s2)
}